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      11-10-2015, 02:38 PM   #21
E91 M Sport
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Drives: 2012 E91 M Sport
Join Date: Aug 2015
Location: Sunny SD

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Quote:
Originally Posted by HP Autosport View Post
Way better than the KW V3 out of the box that is for sure. Less noise and better handling are just few other benefits with the Swift spring conversion.
I'll bump it too as I want to know what noise(s) you've experienced with these KWs and, equally important, how the Swift spring alleviated it/them.

I have some STs and they make a crazy annoying groan (low pitch) squeak. If I place my hand on the spring itself I can "feel" the noise/vibration which makes me think it's the springs.

I see how explained how the Swift springs' setup helps with noise. Wonder if my stock STs are binding to a degree as the rotate...
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